La Leche League is a great place to start. They hold monthly meetings all over the world and pregnant women are encouraged to attend.
http://www.lalecheleaguenj.org/
Take a breastfeeding class! Very important as formula is considered the "norm" nowadays and most women (friends, family) and doctor's (ob's and peds) dont know much about the normal course of lactation. With formula samples being handed out to every pregnant woman that walks into an office for prenatal care, its so important to protect yourself and your baby with accurate info and not just info from "formula pushers" who get paid to advertise.
A few online resources that are incredibly helpful are:
http://kellymom.com/index.html
http://www.breastfeeding.com/
http://www.parentingweb.com/lounge/lounge_index.htm
http://www.lactationconnection.com/questions.htm#intake
http://www.wiessinger.baka.com/bfing/index.html
The biggest thing you can do to prepare yourself are 2 things.
1) EDUCATE YOURSELF Read books, websites, take classes, talk with women that have had positive experiences. You have to be your own advocate. There is a lot of misinformation out there (it hurts, the baby becomes too dependant, you have to avoid certain foods, you probably wont make enough etc...) Know the truths before you listen to these lies! Here is a link on myths:
http://www.breastfeeding.com/all_about/all_about_myths.html
2) GET SUPPORT The number one reason women fail at breastfeeding is lack of proper support. Sometimes its from a doctor (you cant take that antibiotic and breastfeed! -or- your baby isnt gaining enough...time to supplement!). Sometimes its from your mother or mother-in-law (He has to eat AGAIN? -or- I want to be able to babysit -or- breastmilk isnt as good as formula). Sometimes its from friends (Now you can't drink! -or- Ewww, thats gross). Or your husband (Those are mine! -or- What if it comes out during sex...icky! -or- I want to be able to feed the baby!). Sometimes it comes from complete strangers! (You're not going to do THAT here, are you? -or- Oh, I weaned early...it hurt too much). Its all damaging and unsupportive. It makes you question yourself, doubt yourself and often leads to early weaning or depression. Surround yourself with supportive people. Tell them your plans and that you expect them to support your decision. Its the best for your baby after all, so thats all they should be concerned with! When in doubt, call up a breastfeeding Momma and vent. Or hop on a message board for some reassurance. Stick to only breastfeeding communities, as formula feeders will just add to the negativity.
Breastfeeding products as in what exactly? Pumps? Nursing clothing? Nursing pillows/stools? Books? Speaking of books, here is a list of recommended reading.
http://www.amazon.com/Breastfeeding-Book-Everything-Nursi...
http://www.amazon.com/Womanly-Art-Breastfeeding-Sixth-Rev...
http://www.amazon.com/Nursing-Mothers-Companion-Kathleen-...
http://www.amazon.com/So-Thats-What-Theyre-Breastfeeding/...
You can get them at your local library, or buy them cheap on ebay or amazon. I think I got my "womanly art" for .01!
We did co-sleep, with all 3 of my kids. We began transitioning them into a pack and play near my bed so if they woke, they were easy to grab and bring back to bed to nurse back to sleep. It was a dream! I slept better and felt so well rested, I didnt understand how women were so tired. Sure, I was sleepy, and dozed off while nursing, but the hormones make you drowsy, so thats normal. I really did feel well rested and I recommend it! There are guidlines to doing it safely. Some people will try to scare you and tell you it isnt safe, you'll kill your baby, and they always know some story of someone smothering their baby! First of all, there are rules to do it safely. If they cant be followed, co-sleeong shouldnt be done. Co-sleeping has shown to reduce the risk of SIDS, as does breastfeeding. It helps regulate your baby's temperature and breathing. Baby sleeps better being near you, you sleep better knowing baby is close, and it encourages frequent nursing, which will help your supply and keep Aunt Flo at bay! Its natural child spacing, and nursing at night is imperative to make that successful. It teaches baby to fall asleep easier when they do wake because instead of waking and fussing, crying, waiting for you to come, they are wide awake by then! When co-sleeping you are very in tune with your baby and just as they begin to rouse, you are able to nurse them back to sleep before they are fully awake. Baby's are calmer and happier, you and your family get more sleep! Its a win-win situation! Here is a book I recommend about co-sleeping.
http://www.amazon.com/Nighttime-Parenting-Your-Child-Slee...
And one last website.
http://www.askdrsears.com/
Browse around. It has many topics on breastfeeding, co-sleeping, Attachment Parenting, wearing your baby close in a sling or wrap etc...
And last but not least, if you have any questions, please send me a message! I would be able to give you a quick tutorial about the basics and what to expect, common problems, FAQ, etc... I'd be glad to help! I hope this has been informative for you because it took an awful long time to type! :) Good luck!
~Tara~ Trained Breastfeeding Counselor WNY